{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001822},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001669","490:4900001671","490:4900001412","490:4900001823","490:4900002594","490:4900003185","490:4900004269","490:4900003988","490:4900004962","490:4900004131","490:4900004683","490:4900002897","490:4900002285","490:4900001540","490:4900003447","490:4900007612","490:4900004266","490:4900001971","490:4900001411","490:4900004405","494:4940007780","490:4900001674","490:4900001147","490:4900004411","490:4900003848"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490],"twin_sims":[0.5953598559382922,0.5042742838480305,0.4901014798700126,0.43799322460549317,0.4260579009330045,0.4170376805451273,0.4093078951672492,0.40522977964939544,0.3947852884725178,0.39276120364866973,0.39106494881662507,0.3889395305102201,0.3887011444532636,0.3827143994158788,0.38073366082975857,0.3774219653012446,0.3607774076568738,0.3486046828530126,0.33769119836105815,0.33158945946752005,0.3315004188005468,0.3294655456104407,0.32790911597572925,0.3254361777899579,0.3217766184870879],"twin_dists":[0.13226672538799802,0.15197367835598932,0.15510546397641647,0.16688258494951883,0.16965207791007322,0.17176643107039544,0.1735939151804333,0.17456416413087267,0.1770692999739513,0.17755827721083,0.17796896031059986,0.17848472661702813,0.178542657220319,0.18000306532488228,0.18048864560461486,0.18130324420230373,0.1854518647128186,0.18854776332194217,0.19137202170924256,0.19297248010466528,0.19299595328335592,0.193533337490503,0.1939456029238644,0.1946028596759088,0.19558060364700364],"n_dims_used":45,"mean_confidence":0.9205140007866753},"coverage":{"mean_confidence":0.9205140007866753,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}